Where do you keep the rainy day fund?

For my husband and I, I try and have 3 months pay set aside for emergencies etc. Pretty much if someone was out of work for a period of time. Wondering where people keep these funds as currently I have it in a Revolut savings account.

Any feedback welcome!

FIGURE CONTEXT 3 months pay aside- €18k each/€36k total Current setup - in Revolut savings account 1.7% APR